Preparation and Application of Human Urine Fertilizer to the Plants Before application, dilute the urine with water. Use a ratio of 1:8 or 1:10 that is 1 part urine to 8 10 parts Growing an avocado tree is my favourite thing to do, and one day, Ill be harvesting some avocados from my home farm! , ., (Rooftop garden, growing an avocado tree, avocado seed, terrace gardening), Organic Mix Creeping Phlox Flower Seeds for Planting Heirloom, Non G Neeraseeds Heavy Duty Gardening Gloves For Thorns Thornproof Cut Resistant Suede Leather Gardening Gloves From Seed to Plant by Gail Gibbons Scholastic Education